1. Objective To explore the clinical character of nasociliary neuralgia and improve the diagnosis and treatment.

2. Results: The frontal, nasociliary and lacrimal nerve, divisions of ophthalmic nerve, entered the orbit via the superior orbital fissure.

3. Objective:To explore the clinical character of nasociliary neuralgia and improve the level of diagnosis and treatment.

4. The central sector transmits the superior and inferior of divisions of the oculomotor nerver, the abducens and nasociliary nerves and the sensory and sympathetic roots of the ciliary ganglion.

5. Objective To investigate significance and efficacy of microwave thermocoagulation plus outfolding of middle nasal concha for treatment of nasociliary neuralgia.

6. Above the body of the needle, there are ophthalmic artery, anterior ethmoidal artery and nasociliary nerve.